[DiogenesLamp]

Lack of sleep has a direct effect on the decision making processes of the brain; is government therefore authorized to set adults' bedtimes?

When you can make "lack of sleep" a consumed ingredient, you will have a point. Currently it stands as an unavoidable consequence for some people.

[ConservingFreedom]

The influence of the narcotic has a direct effect on the decision making processes of the brain.

Lack of sleep has a direct effect on the decision making processes of the brain; is government therefore authorized to set adults' bedtimes?

When you can make "lack of sleep" a consumed ingredient, you will have a point. Currently it stands as an unavoidable consequence for some people.

And avoidable for others, "consumed" by e.g. freely choosing to stay up late; does government criminalization have a legitimate role there? Or do you pick your "principles" to fit your predetermined conclusions?